Natural Cycles: Fertility App: iPhone vs Android
Natural Cycles: Fertility App gets 500+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Natural Cycles: Fertility App by NaturalCycles Nordic AB is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.7 ★
54k ratings, both stores
Measured
Best rank now
#19
iPhone · 
Health & Fitness Grossing
Health & Fitness GrossingMeasured
App Store
App details
App ID
765535549
Publisher
NaturalCycles Nordic AB
Publisher country
Sweden
Minimum OS
iOS 16.7+
Content rating
17+
Languages
4
EN PT ES SV
Size
144 MB
Google Play
App details
App ID
com.naturalcycles.cordova
Publisher
Naturalcycles Nordic AB
Publisher country
Sweden
Content rating
Mature 17+
Natural Cycles: Fertility App downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 500+ | 1M+ |
| Google Play | 50+ | 1M+ Measured |
| Total | 500+ Confidence | 1M+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Natural Cycles: Fertility App's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Natural Cycles: Fertility App makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.8 ★ | 30k |
| Google Play | 4.6 ★ | 23k 1.6k written reviews |
| Both stores | 4.7 ★ weighted by ratings | 54k |
About Natural Cycles: Fertility App
Natural Cycles is a 100% non-hormonal birth control app cleared by FDA. Get an NC° Band with our annual subscription, or a compatible wearable to measure your basal temperature and track your biomarkers. Trusted by 6M+ women, using Natural Cycles as an ovulation tracker is a great way to start your birth control or fertility journey.
Trust in science to support you
• Natural Cycles is 98% effective when used as intended, and 93% with typical use.
• Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective.
• Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation.
Naturally prevent pregnancy
• NC° Birth Control is a non-hormonal contraception with no side effects.
• Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection.
Organic pregnancy planning
• NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive.
• Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters.
• NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey.
Monitor your pregnancy
• NC° Follow Pregnancy helps you monitor your baby’s developmental stages.
• Get tailored guidance, tracking baby movements, morning sickness, and other symptoms.
Get postpartum support
• NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance.
• Use temperature to know when ovulation returns post-pregnancy.
Track perimenopause symptoms
• NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause.
Gain sleep insights
• See how and why your sleep changes across your cycle with Sleep Insights.
Choose your measuring device
•Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, compatible Garmin devices or Apple Watch Series 8 or newer.
• Easily measure your temperature to track your fertility, using your choice of compatible wearable.
• Sign up to NC° Annual subscription and receive a free NC° Band.
More than a period tracker
• The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods.
• Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle.
Subscription service
• Subscribe to our monthly or annual plan to unlock core features.
• Subscriptions are FSA/HSA eligible for reimbursement.
Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe.
The NC° app is more than just a period tracker, use it as a bir
Trust in science to support you
• Natural Cycles is 98% effective when used as intended, and 93% with typical use.
• Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective.
• Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation.
Naturally prevent pregnancy
• NC° Birth Control is a non-hormonal contraception with no side effects.
• Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection.
Organic pregnancy planning
• NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive.
• Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters.
• NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey.
Monitor your pregnancy
• NC° Follow Pregnancy helps you monitor your baby’s developmental stages.
• Get tailored guidance, tracking baby movements, morning sickness, and other symptoms.
Get postpartum support
• NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance.
• Use temperature to know when ovulation returns post-pregnancy.
Track perimenopause symptoms
• NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause.
Gain sleep insights
• See how and why your sleep changes across your cycle with Sleep Insights.
Choose your measuring device
•Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, compatible Garmin devices or Apple Watch Series 8 or newer.
• Easily measure your temperature to track your fertility, using your choice of compatible wearable.
• Sign up to NC° Annual subscription and receive a free NC° Band.
More than a period tracker
• The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods.
• Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle.
Subscription service
• Subscribe to our monthly or annual plan to unlock core features.
• Subscriptions are FSA/HSA eligible for reimbursement.
Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe.
The NC° app is more than just a period tracker, use it as a bir
Natural Cycles: Fertility App iPhone
Natural Cycles: Fertility App gets 500+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Natural Cycles: Fertility App is #28 in Health & Fitness Grossing in United States and charting in 11 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperNaturalCycles Nordic AB
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.8 (30k)
Version5.9.0
Age rating17+
First seen by us
24 Sep 2026
24 Sep 2026Installs (est.)1M+ worldwide
Rating
4.8 ★
30k ratings
Measured
Best rank now
#28
Health & Fitness GrossingMeasured
Natural Cycles: Fertility App on the App Store
App details
App ID
765535549
Publisher
NaturalCycles Nordic AB
Publisher country
Sweden
Minimum OS
iOS 16.7+
Content rating
17+
Languages
4
EN PT ES SV
Size
144 MB
Natural Cycles: Fertility App downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Natural Cycles: Fertility App's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Natural Cycles: Fertility App before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How Natural Cycles: Fertility App makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | Health & FitnessGrossing | #28 |
 United Kingdom | Health & FitnessGrossing | #56 |
 Germany | Health & FitnessGrossing | #52 |
| Mexico | Health & FitnessGrossing | #19 |
 Canada | Health & FitnessGrossing | #51 |
 India | Health & FitnessGrossing | #51 |
| Australia | Health & FitnessGrossing | #56 |
 Brazil | Health & FitnessGrossing | #62 |
 United Arab Emirates | Health & FitnessGrossing | #28 |
 Sweden | Health & FitnessGrossing | #27 |
| United Arab Emirates | Health & FitnessFree | #64 |
| Sweden | Health & FitnessFree | #59 |
 Thailand | Health & FitnessGrossing | #98 |
Apps near Natural Cycles: Fertility App on the chart
Health & Fitness Grossing, around #28.
Ratings
App Store, worldwide.
Rating
4.8 ★
30k ratings
Measured
Ratings
30k
Measured
About Natural Cycles: Fertility App
Natural Cycles is a 100% non-hormonal birth control app cleared by FDA. Get an NC° Band with our annual subscription, or a compatible wearable to measure your basal temperature and track your biomarkers. Trusted by 6M+ women, using Natural Cycles as an ovulation tracker is a great way to start your birth control or fertility journey.
Trust in science to support you
• Natural Cycles is 98% effective when used as intended, and 93% with typical use.
• Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective.
• Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation.
Naturally prevent pregnancy
• NC° Birth Control is a non-hormonal contraception with no side effects.
• Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection.
Organic pregnancy planning
• NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive.
• Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters.
• NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey.
Monitor your pregnancy
• NC° Follow Pregnancy helps you monitor your baby’s developmental stages.
• Get tailored guidance, tracking baby movements, morning sickness, and other symptoms.
Get postpartum support
• NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance.
• Use temperature to know when ovulation returns post-pregnancy.
Track perimenopause symptoms
• NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause.
Gain sleep insights
• See how and why your sleep changes across your cycle with Sleep Insights.
Choose your measuring device
•Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, compatible Garmin devices or Apple Watch Series 8 or newer.
• Easily measure your temperature to track your fertility, using your choice of compatible wearable.
• Sign up to NC° Annual subscription and receive a free NC° Band.
More than a period tracker
• The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods.
• Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle.
Subscription service
• Subscribe to our monthly or annual plan to unlock core features.
• Subscriptions are FSA/HSA eligible for reimbursement.
Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe.
The NC° app is more than just a period tracker, use it as a bir
Trust in science to support you
• Natural Cycles is 98% effective when used as intended, and 93% with typical use.
• Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective.
• Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation.
Naturally prevent pregnancy
• NC° Birth Control is a non-hormonal contraception with no side effects.
• Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection.
Organic pregnancy planning
• NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive.
• Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters.
• NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey.
Monitor your pregnancy
• NC° Follow Pregnancy helps you monitor your baby’s developmental stages.
• Get tailored guidance, tracking baby movements, morning sickness, and other symptoms.
Get postpartum support
• NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance.
• Use temperature to know when ovulation returns post-pregnancy.
Track perimenopause symptoms
• NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause.
Gain sleep insights
• See how and why your sleep changes across your cycle with Sleep Insights.
Choose your measuring device
•Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, compatible Garmin devices or Apple Watch Series 8 or newer.
• Easily measure your temperature to track your fertility, using your choice of compatible wearable.
• Sign up to NC° Annual subscription and receive a free NC° Band.
More than a period tracker
• The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods.
• Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle.
Subscription service
• Subscribe to our monthly or annual plan to unlock core features.
• Subscriptions are FSA/HSA eligible for reimbursement.
Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe.
The NC° app is more than just a period tracker, use it as a bir
Latest updates
5.9.0
Natural Cycles - Birth Control Android
Natural Cycles - Birth Control gets 500+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Natural Cycles - Birth Control is #156 in Medical Free on Google Play in United States and charting in 6 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperNaturalCycles AG
CategoryMedical
PriceFree
Released
Installs1M+
Rating★ 4.6 (23k)
Updated
Content ratingMature 17+
Rating
4.6 ★
23k ratings
Measured
Best rank now
#156
Medical FreeMeasured
Natural Cycles - Birth Control on Google Play
App details
App ID
com.naturalcycles.cordova
Publisher
Naturalcycles Nordic AB
Publisher country
Sweden
Content rating
Mature 17+
Natural Cycles - Birth Control downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Natural Cycles - Birth Control's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Natural Cycles - Birth Control before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How Natural Cycles - Birth Control makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | MedicalFree | #156 |
| United Kingdom | MedicalFree | #85 |
| Canada | MedicalFree | #60 |
| Brazil | MedicalFree | #69 |
| Australia | MedicalFree | #82 |
| Germany | MedicalFree | #174 |
Apps near Natural Cycles - Birth Control on the chart
Medical Free, around #156.
Ratings
Google Play, worldwide.
Rating
4.6 ★
23k ratings
Measured
Ratings
23k
Measured
Written reviews
1.6k
Measured
About Natural Cycles - Birth Control
Natural Cycles is a 100% non-hormonal birth control app cleared by FDA. Get an NC° Band with our annual subscription, or a compatible wearable to measure your basal temperature and track your biomarkers. Trusted by 6M+ women, using Natural Cycles as an ovulation tracker is a great way to start your birth control or fertility journey.
Trust in science to support you
• Natural Cycles is 98% effective when used as intended, and 93% with typical use.
• Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective.
• Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation.
Naturally prevent pregnancy
• NC° Birth Control is a non-hormonal contraception with no side effects.
• Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection.
Organic pregnancy planning
• NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive.
• Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters.
• NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey.
Monitor your pregnancy
• NC° Follow Pregnancy helps you monitor your baby’s developmental stages.
• Get tailored guidance, tracking baby movements, morning sickness, and other symptoms.
Get postpartum support
• NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance.
• Use temperature to know when ovulation returns post-pregnancy.
Track perimenopause symptoms
• NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause.
Gain sleep insights
• See how and why your sleep changes across your cycle with Sleep Insights.
Choose your measuring device
• Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, or compatible Garmin devices.
• Easily measure your temperature to track your fertility, using your choice of compatible wearable.
• Sign up to NC° Annual subscription and receive a free NC° Band.
More than a period tracker
• The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods.
• Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle.
Subscription service
• Subscribe to our monthly or annual plan to unlock core features.
• Subscriptions are FSA/HSA eligible for reimbursement.
Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe.
The NC° app is more than just a period tracker, use it as a birth control, or to plan pregnan
Trust in science to support you
• Natural Cycles is 98% effective when used as intended, and 93% with typical use.
• Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective.
• Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation.
Naturally prevent pregnancy
• NC° Birth Control is a non-hormonal contraception with no side effects.
• Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection.
Organic pregnancy planning
• NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive.
• Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters.
• NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey.
Monitor your pregnancy
• NC° Follow Pregnancy helps you monitor your baby’s developmental stages.
• Get tailored guidance, tracking baby movements, morning sickness, and other symptoms.
Get postpartum support
• NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance.
• Use temperature to know when ovulation returns post-pregnancy.
Track perimenopause symptoms
• NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause.
Gain sleep insights
• See how and why your sleep changes across your cycle with Sleep Insights.
Choose your measuring device
• Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, or compatible Garmin devices.
• Easily measure your temperature to track your fertility, using your choice of compatible wearable.
• Sign up to NC° Annual subscription and receive a free NC° Band.
More than a period tracker
• The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods.
• Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle.
Subscription service
• Subscribe to our monthly or annual plan to unlock core features.
• Subscriptions are FSA/HSA eligible for reimbursement.
Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe.
The NC° app is more than just a period tracker, use it as a birth control, or to plan pregnan
What's new in 5.9.0
We have polished the app for an even smoother experience.